Anatomy of the Heel

The plantar fascia is composed of dense fibrous tissue, and is divided into three portions (central, medial and lateral). It courses under the fibro-fatty heel pad to insert into the medial calcaneal tuberosity. This is the site where a “heel spur” typically forms from calcification if the facial insertion due to chronic inflammation.


In addition to the plantar fascia, some ligaments attach to the medial calcaneal tuberosity, and several small muscles arise from there.



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